Potent cytotoxins produced by a microbial symbiont protect host larvae from predation
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چکیده
منابع مشابه
A New Family of Potent AB5 Cytotoxins Produced by Shiga Toxigenic Escherichia coli
The Shiga toxigenic Escherichia coli (STEC) O113:H21 strain 98NK2, which was responsible for an outbreak of hemolytic uremic syndrome, secretes a highly potent and lethal subtilase cytotoxin that is unrelated to any bacterial toxin described to date. It is the prototype of a new family of AB(5) toxins, comprising a single 35-kilodalton (kD) A subunit and a pentamer of 13-kD B subunits. The A su...
متن کاملCytotoxins Produced by Shiga Toxigenic Escherichia coli
The Shiga toxigenic Escherichia coli (STEC) O113:H21 strain 98NK2, which was responsible for an outbreak of hemolytic uremic syndrome, secretes a highly potent and lethal subtilase cytotoxin that is unrelated to any bacterial toxin described to date. It is the prototype of a new family of AB 5 toxins, comprising a single 35-kilodalton (kD) A subunit and a pentamer of 13-kD B subunits. The A sub...
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HOST-SYMBIONT COEVOLUTION IN DIGITAL AND MICROBIAL SYSTEMS
متن کاملGuarding Males Protect Females from Predation in a Wild Insect
Males frequently remain in close proximity to their mate immediately postcopulation. This behavior has generally been interpreted as a guarding tactic designed to reduce the likelihood that a rival male can rapidly displace the ejaculate of the guarding male [1, 2]. Such attempts by males to control their mates represent a potential source of conflict [3-5], but guarding behaviors in species wh...
متن کاملHost plant specialization governed by facultative symbiont.
Materials and methods Samples of A. pisum were collected from natural populations on vetch or white clover, preserved in acetone, and subjected to DNA extraction individually. At each locality, 20 aphids were subjected to specific PCR detection of the endosymbionts as described (S1). The aphid strain TUt, naturally infected with PAUS, was derived from a parthenogenetic female collected on white...
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ژورنال
عنوان ژورنال: Oecologia
سال: 2004
ISSN: 0029-8549,1432-1939
DOI: 10.1007/s00442-004-1487-5